/******************************************************************************
 * Qwt Widget Library
 * Copyright (C) 1997   Josef Wilgen
 * Copyright (C) 2002   Uwe Rathmann
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the Qwt License, Version 1.0
 *****************************************************************************/

#include "qwt_plot_seriesitem.h"
#include "qwt_scale_div.h"
#include "qwt_text.h"

class QwtPlotSeriesItem::PrivateData {
public:
  PrivateData() : orientation(Qt::Vertical) {}

  Qt::Orientation orientation;
};

/*!
   Constructor
   \param title Title of the curve
 */
QwtPlotSeriesItem::QwtPlotSeriesItem(const QwtText &title)
    : QwtPlotItem(title) {
  m_data = new PrivateData();
  setItemInterest(QwtPlotItem::ScaleInterest, true);
}

/*!
   Constructor
   \param title Title of the curve
 */
QwtPlotSeriesItem::QwtPlotSeriesItem(const QString &title)
    : QwtPlotItem(QwtText(title)) {
  m_data = new PrivateData();
  setItemInterest(QwtPlotItem::ScaleInterest, true);
}

//! Destructor
QwtPlotSeriesItem::~QwtPlotSeriesItem() { delete m_data; }

/*!
   Set the orientation of the item.

   The orientation() might be used in specific way by a plot item.
   F.e. a QwtPlotCurve uses it to identify how to display the curve
   int QwtPlotCurve::Steps or QwtPlotCurve::Sticks style.

   \sa orientation()
 */
void QwtPlotSeriesItem::setOrientation(Qt::Orientation orientation) {
  if (m_data->orientation != orientation) {
    m_data->orientation = orientation;

    legendChanged();
    itemChanged();
  }
}

/*!
   \return Orientation of the plot item
   \sa setOrientation()
 */
Qt::Orientation QwtPlotSeriesItem::orientation() const {
  return m_data->orientation;
}

/*!
   \brief Draw the complete series

   \param painter Painter
   \param xMap Maps x-values into pixel coordinates.
   \param yMap Maps y-values into pixel coordinates.
   \param canvasRect Contents rectangle of the canvas
 */
void QwtPlotSeriesItem::draw(QPainter *painter, const QwtScaleMap &xMap,
                             const QwtScaleMap &yMap,
                             const QRectF &canvasRect) const {
  drawSeries(painter, xMap, yMap, canvasRect, 0, -1);
}

QRectF QwtPlotSeriesItem::boundingRect() const { return dataRect(); }

void QwtPlotSeriesItem::updateScaleDiv(const QwtScaleDiv &xScaleDiv,
                                       const QwtScaleDiv &yScaleDiv) {
  const QRectF rect = QRectF(xScaleDiv.lowerBound(), yScaleDiv.lowerBound(),
                             xScaleDiv.range(), yScaleDiv.range());

  setRectOfInterest(rect);
}

void QwtPlotSeriesItem::dataChanged() { itemChanged(); }
